Allen Bolt M3 x 20mm, Dia. 3mm, Length 20mm, Socket Head Cap Screws
Allen Bolt M3 x 20mm – Socket Head Cap Screw
Thread Diameter: 3mm (M3)
Length: 20mm (measured from under the head)
Head Type: Socket Head Cap Screw
Allen Key Size: 2.5mm
Material: Mild Steel
Finish: Black Oxide Coating
Description:
The Allen Bolt M3 x 20mm is a precision-engineered socket head cap screw designed for applications requiring a longer reach and secure fastening. Made from durable mild steel and coated with black oxide for added corrosion resistance, it's ideal for electronics, mechanical assemblies, and structural fastening where reliability and strength are critical.
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Dia. |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
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Key |
1.5 mm |
2 mm |
2.5 mm |
3 mm |
4 mm |
5 mm |
6 mm |
8 mm |
10 mm |
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Socket Countersunk Screws(CSK Bolts) |
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Dia. |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
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Key |
|
|
2 mm |
2.5 mm |
3 mm |
4 mm |
5 mm |
6 mm |
8 mm |
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Socket Button Head Screws(Botton Bolts) |
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|
Dia. |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
|
Key |
|
|
2 mm |
2.5 mm |
3 mm |
4 mm |
5 mm |
6 mm |
8 mm |
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Socket Set Screws(Grub Bolts) |
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Dia. |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
|
Key |
|
|
1.5 mm |
2 mm |
2.5 mm |
3 mm |
4 mm |
5 mm |
6 mm |
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Socket Head Cap Screws(Allen Bolts)


